/*
 * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.impl.bpmn.behavior;

import java.util.List;
import org.activiti.bpmn.model.BoundaryEvent;
import org.activiti.bpmn.model.Signal;
import org.activiti.bpmn.model.SignalEventDefinition;
import org.activiti.engine.delegate.DelegateExecution;
import org.activiti.engine.delegate.Expression;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.EventSubscriptionEntity;
import org.activiti.engine.impl.persistence.entity.EventSubscriptionEntityManager;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
import org.activiti.engine.impl.persistence.entity.SignalEventSubscriptionEntity;
import org.apache.commons.lang3.StringUtils;

/**


 */
public class BoundarySignalEventActivityBehavior extends BoundaryEventActivityBehavior {

    private static final long serialVersionUID = 1L;

    protected SignalEventDefinition signalEventDefinition;
    protected Signal signal;

    public BoundarySignalEventActivityBehavior(
        SignalEventDefinition signalEventDefinition,
        Signal signal,
        boolean interrupting
    ) {
        super(interrupting);
        this.signalEventDefinition = signalEventDefinition;
        this.signal = signal;
    }

    @Override
    public void execute(DelegateExecution execution) {
        CommandContext commandContext = Context.getCommandContext();
        ExecutionEntity executionEntity = (ExecutionEntity) execution;

        String signalName = null;
        if (StringUtils.isNotEmpty(signalEventDefinition.getSignalRef())) {
            signalName = signalEventDefinition.getSignalRef();
        } else {
            Expression signalExpression = commandContext
                .getProcessEngineConfiguration()
                .getExpressionManager()
                .createExpression(signalEventDefinition.getSignalExpression());
            signalName = signalExpression.getValue(execution).toString();
        }

        commandContext.getEventSubscriptionEntityManager().insertSignalEvent(signalName, signal, executionEntity);
    }

    @Override
    public void trigger(DelegateExecution execution, String triggerName, Object triggerData) {
        ExecutionEntity executionEntity = (ExecutionEntity) execution;
        BoundaryEvent boundaryEvent = (BoundaryEvent) execution.getCurrentFlowElement();

        if (boundaryEvent.isCancelActivity()) {
            String eventName = null;
            if (signal != null) {
                eventName = signal.getName();
            } else {
                eventName = signalEventDefinition.getSignalRef();
            }

            EventSubscriptionEntityManager eventSubscriptionEntityManager =
                Context.getCommandContext().getEventSubscriptionEntityManager();
            List<EventSubscriptionEntity> eventSubscriptions = executionEntity.getEventSubscriptions();
            for (EventSubscriptionEntity eventSubscription : eventSubscriptions) {
                if (
                    eventSubscription instanceof SignalEventSubscriptionEntity &&
                    eventSubscription.getEventName().equals(eventName)
                ) {
                    eventSubscriptionEntityManager.delete(eventSubscription);
                }
            }
        }

        super.trigger(executionEntity, triggerName, triggerData);
    }
}
